<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let arr = [
        { '入职日期': 43678, '姓名': '高大山', '工号': 20089, '手机号': 13041131879, '转正日期': 43678 },
        { '入职日期': 43780, '姓名': '章三', '工号': 20090, '手机号': 13041131880, '转正日期': 43780 },
        { '入职日期': 43600, '姓名': '李四', '工号': 20091, '手机号': 13041131881, '转正日期': 43600 },
        { '入职日期': 43578, '姓名': '王武', '工号': 20092, '手机号': 13041131882, '转正日期': 43578 }
      ]

    let obj = {
        '入职日期': 'timeOfEntry',
        '手机号': 'mobile',
        '姓名': 'username',
        '转正日期': 'correctionTime',
        '工号': 'workNumber'
    }
    let keysArr = Object.keys(obj)
    let newArr = []
    for (let j=0; j < arr.length;j++) {
      let user = {}
        for (let i = 0; i < keysArr.length ;i++) {
          user[obj[keysArr[i]]]= arr[j][keysArr[i]]
        }
        newArr.push(user)
    }
  	console.log(newArr)
    </script>
</body>
</html>